In the old days, spies eavesdropped on each other using analog radio bugs. These days, everything’s in the cloud. [Sebastian] from [Hacking Beaver] wondered if he could make a WiFi bug that was small ...

If you’re new to server-side code, maybe you’ll find it equally interesting. I used an ESP8266 module with a small 128×32 pixel OLED display connected via an SSD1306 controller.